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Natural rubber is generally used in applications involving water.  The exceptional quality of rubber lies in its ability to resist abrasive forces and to recover from pressure.  It can resist vibration well in heavy machinery and is therefore commonly used on low bolt loading flanges and on pipes with poor quality flanges.

Natural rubber is obtained from the latex sap of the Hevea Brasiliensis tree (otherwise known as the rubber tree).  Gaskets made from natural rubber seal well in dynamic conditions and have good resistance to compression for long periods of time without tension.

Characteristics:

• Flexible

• Suitable for use with water

• Suitable for use with low bolt loading flanges

• Suitable for use with poor quality flanges

• Anti-vibration 

• Good recovery

• Good abrasion resistance

• Seals a vacuum well

• Poor ozone resistance

• Poor resistance to environmental exposure